| Isernia to Forli | 212.84 mi (342.53 km) |
| Isernia to Forlimpopoli | 207.73 mi (334.30 km) |
| Isernia to Formello | 100.34 mi (161.49 km) |
| Isernia to Formia | 39.76 mi (63.98 km) |
| Isernia to Formigine | 266.24 mi (428.47 km) |
| Isernia to Fossano | 386.20 mi (621.53 km) |
| Isernia to Fossombrone | 161.94 mi (260.61 km) |
| Isernia to Francavilla al Mare | 56.32 mi (90.64 km) |
| Isernia to Francavilla Fontana | 189.18 mi (304.46 km) |
| Isernia to Francofonte | 303.85 mi (489.00 km) |
| Isernia to Frascati | 81.63 mi (131.37 km) |
| Isernia to Frattamaggiore | 46.31 mi (74.53 km) |
| Isernia to Frattaminore | 45.13 mi (72.62 km) |
| Isernia to Frosinone | 46.00 mi (74.04 km) |
| Isernia to Fucecchio | 228.45 mi (367.66 km) |
